Question: Water is to be transported in a 4-m-wide rectangular open channel. The flow depth to maximize the flow rate is (a) 1 m (b) 2

Water is to be transported in a 4-m-wide rectangular open channel. The flow depth to maximize the flow rate is

(a) 1 m 

(b) 2 m 

(c) 4 m 

(d) 6 m 

(e) 8 m

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